Portable foldable bathtub



FIG. 1 is a top perspective view of a portable foldable bathtub, showing my design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a left side elevation thereof.

FIG. 5 is a right side elevation thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a portable foldable bathtub, as shown and described. 